268828408 has 16 divisors (see below), whose sum is σ = 504298080. Its totient is φ = 134348928.

The previous prime is 268828381. The next prime is 268828409. The reversal of 268828408 is 804828862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268828409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12385 + ... + 26287.

It is an arithmetic number, because the mean of its divisors is an integer number (31518630).

Almost surely, 2^268828408 is an apocalyptic number.

It is an amenable number.

268828408 is a deficient number, since it is larger than the sum of its proper divisors (235469672).

268828408 is a wasteful number, since it uses less digits than its factorization.

268828408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326 (or 16322 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The square root of 268828408 is about 16395.9875579362. The cubic root of 268828408 is about 645.3941928674.

The spelling of 268828408 in words is "two hundred sixty-eight million, eight hundred twenty-eight thousand, four hundred eight".